Answer:Astronomers estimate the age of the universe in two ways: 1) by looking for the oldest stars; and 2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.
Explanation:
Answer:
Regulations make it more difficult to produce
hi. bye. peace out. bye. byeeeee
Answer: Increase, decrease
Explanation: positive reinforcement increases the likelihood of a behavior being repeated. Negative reinforcement decreases the likelihood of a behavior being repeated.
Hoped that helped.
